1#ifndef STRING_LIST_H 2#define STRING_LIST_H 3 4struct string_list_item { 5 char *string; 6 void *util; 7}; 8struct string_list { 9 struct string_list_item *items; 10 unsigned int nr, alloc; 11 unsigned int strdup_strings:1; 12}; 13 14#define STRING_LIST_INIT_NODUP { NULL, 0, 0, 0 } 15#define STRING_LIST_INIT_DUP { NULL, 0, 0, 1 } 16 17void print_string_list(const struct string_list *p, const char *text); 18void string_list_clear(struct string_list *list, int free_util); 19 20/* Use this function to call a custom clear function on each util pointer */ 21/* The string associated with the util pointer is passed as the second argument */ 22typedef void (*string_list_clear_func_t)(void *p, const char *str); 23void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc); 24 25/* Use this function or the macro below to iterate over each item */ 26typedef int (*string_list_each_func_t)(struct string_list_item *, void *); 27int for_each_string_list(struct string_list *list, 28 string_list_each_func_t, void *cb_data); 29#define for_each_string_list_item(item,list) \ 30 for (item = (list)->items; item < (list)->items + (list)->nr; ++item) 31 32 33/* Use these functions only on sorted lists: */ 34int string_list_has_string(const struct string_list *list, const char *string); 35int string_list_find_insert_index(const struct string_list *list, const char *string, 36 int negative_existing_index); 37struct string_list_item *string_list_insert(struct string_list *list, const char *string); 38struct string_list_item *string_list_insert_at_index(struct string_list *list, 39 int insert_at, const char *string); 40struct string_list_item *string_list_lookup(struct string_list *list, const char *string); 41 42 43/* Use these functions only on unsorted lists: */ 44 45/* 46 * Add string to the end of list. If list->strdup_string is set, then 47 * string is copied; otherwise the new string_list_entry refers to the 48 * input string. 49 */ 50struct string_list_item *string_list_append(struct string_list *list, const char *string); 51 52/* 53 * Like string_list_append(), except string is never copied. When 54 * list->strdup_strings is set, this function can be used to hand 55 * ownership of a malloc()ed string to list without making an extra 56 * copy. 57 */ 58struct string_list_item *string_list_append_nodup(struct string_list *list, char *string); 59 60void sort_string_list(struct string_list *list); 61int unsorted_string_list_has_string(struct string_list *list, const char *string); 62struct string_list_item *unsorted_string_list_lookup(struct string_list *list, 63 const char *string); 64 65void unsorted_string_list_delete_item(struct string_list *list, int i, int free_util); 66#endif /* STRING_LIST_H */